Utsuho and his companions have been on a long and arduous quest to acquire the mysterious Kokonotsu treasure. Now, within the caverns of the sacred Mount Fuji, that quest may finally have reached its end. Having discovered the true nature of the caverns, however, the questers come under attack by Nue, the powerful and destructive itsuwaribito at the heart of the story of the Kokonotsu. As his friends fall, Utsuho knows he must somehow defeat Nue or they’ll all perish!